Retail businesses that are consolidated sales tax filers are required to annually file a Disaggregated Sales Tax Report with DRS. The report is due on October 1st. The report must contain sales and sales tax information for each quarter of the fiscal year beginning July 1 and ending June 30. Certain retailers with sales in more than one town in Connecticut must disaggregate their sales tax information. For each municipality in which a consolidated sales tax filer has a business location, the retailer must report: